Systems Administrator Jobs in San Antonio, TX

Join a team that's dedicated to maintaining secure, high-availability systems in a fast-paced, 24x7 environment. Support critical defensive cyberspace operations with your expertise in Windows, Linux...

Lead the charge in managing and maintaining complex server environments, ensuring optimal performance and security within classified networks. Collaborate with a skilled team to integrate and deploy a...

Champion the administration and optimization of Linux systems vital to eBusiness operations. Leverage your expertise in shell scripting and enterprise applications to ensure seamless data interchange...

Lead the provisioning and security of endpoint and SaaS platforms, ensuring optimal system performance for our teams. Drive enhancements across cloud and on-premises environments while fostering a fas...

Engage in diverse government projects as an experienced System Administrator, enhancing your expertise in Linux systems management and service deployment. Collaborate with a passionate team dedicated...

Lead the management and optimization of Linux systems, ensuring security and efficiency through collaborative efforts with VMWare teams. Your expertise will focus on system hardening and automation us...

Optimize enterprise infrastructure by managing and enhancing hybrid systems. Collaborate with teams to ensure system reliability, security, and performance. Leverage your expertise in cloud environmen...

Join a dynamic team as you maintain and secure both on-premises and cloud infrastructures. Your role includes supporting operating systems, managing applications, and ensuring system integrity while c...

Shape the future of IT operations by delivering top-tier system administration support. Collaborate with cross-functional teams and ensure 24/7 system availability while managing critical data encrypt...

Engage in advanced reporting and analytics to enhance compliance and data visibility across enterprise systems. Support decision-making and risk management while ensuring timely and accurate reporting...

Engage with our IT Operations team as a Senior Systems Administrator, focusing on Identity and Access Management while driving integration across security, endpoint, and identity systems to enhance in...

Unlock potential by managing and optimizing enterprise infrastructure, supporting both cloud and on-premises systems, with a focus on high availability and security. Collaborate closely with key stake...

Transform the infrastructure of enterprise systems by managing, building, and securing Windows-based servers. Collaborate with teams to enhance system performance and ensure compliance with stringent...

Deliver expert administration and management of ClearPath OS2200 systems, ensuring optimal performance and security. Collaborate with teams to enhance services, support integration, and drive continuo...

Reimagine UNIX administration as a core component of operating excellence. Drive security, performance, and compliance in multi-site environments while collaborating with stakeholders to innovate solu...

Lead the charge in elevating cloud infrastructure through advanced Linux systems administration, mentoring, and project management in a high-growth tech environment...

Oversee the administration and enhancement of business systems, ensuring effective configuration, security, and support across platforms. Lead complex issue resolution while maintaining robust documen...

Optimize business applications by administering and maintaining enterprise systems, ensuring data integrity while delivering exceptional support. Collaborate with various teams to enhance application...

Advance your career by ensuring compliance and security in a large-scale federal IT environment. Engage with key stakeholders to support cybersecurity initiatives, manage documentation, and prepare fo...

Elevate our pre-sales capabilities by optimizing systems and workflows that drive lead and account management. Collaborate across departments to improve efficiency, data quality, and user experience...

Optimize network operations by managing infrastructure components and ensuring the defense of both classified and unclassified networks to support mission assurance for the Department of Defense...

Join a team that's dedicated to ensuring the health and security of our cloud infrastructure. This hands-on role encompasses managing Microsoft 365, Azure, endpoint security, and virtual environments...

Join a team that's dedicated to ensuring reliable, efficient IT infrastructure. As Infrastructure/System Administrator, you’ll manage diverse systems, enhance performance, and tackle technical challen...

Accelerate service excellence by administering and optimizing ITSM platforms, driving process improvements, managing workflows, and supporting ITIL-based services for enhanced operational efficiency a...

Advance IT systems while managing AI tooling and infrastructure. This hands-on role involves deploying AI solutions, maintaining traditional admin tasks, and collaborating with diverse teams to enhanc...